[lnst] RecipeParser: Support comments in tasks

[Jiří Pírko]

commit 650c34dace8b55a283dea837e782b0b5d1be3d70
Author: Radek Pazdera <rpazdera(a)redhat.com&gt;
Date:   Wed Sep 4 11:08:13 2013 +0200

    RecipeParser: Support comments in tasks
    
    There is the bug in the way the <task> tags were processed. The
    processor didn't ignore comments and considered them to be invalid
    commands.
    
    This commit fixes that.
    
    Reported-by: Ondrej Lichtner <olichtne(a)redhat.com&gt;
    Signed-off-by: Radek Pazdera <rpazdera(a)redhat.com&gt;
    Signed-off-by: Jiri Pirko <jiri(a)resnulli.us&gt;

 lnst/Controller/RecipeParser.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/lnst/Controller/RecipeParser.py b/lnst/Controller/RecipeParser.py
index 9bebe8c..9311b4a 100644
--- a/lnst/Controller/RecipeParser.py
+++ b/lnst/Controller/RecipeParser.py
@@ -14,6 +14,7 @@ import logging
 import os
 import re
 import sys
+from lxml import etree
 from lnst.Common.Config import lnst_config
 from lnst.Common.NetUtils import normalize_hwaddr
 from lnst.Common.Utils import bool_it
@@ -157,6 +158,10 @@ class RecipeParser(XmlParser):
         if len(task_tag) > 0:
             task["commands"] = XmlCollection(task_tag)
             for cmd_tag in task_tag:
+                # Ignore comments
+                if cmd_tag.tag is etree.Comment:
+                    continue
+
                 if cmd_tag.tag == "run":
                     cmd = self._process_run_cmd(cmd_tag)
                 elif cmd_tag.tag == "config":